Strangalia luteicornis is a species of longhorn beetle commonly found in North America. It is characterized by its elongated body, reaching about 15-25 millimeters in length. The beetle has a black coloration with yellow markings on its antennae and legs, giving it a distinctive appearance. Strangalia luteicornis is known to feed on the bark and wood of various tree species, making it an important component of forest ecosystems.